﻿using System;
using System.Data;
using System.Collections.Generic;
using Maticsoft.Common;
using XueMeng.Model;
namespace XueMeng.BLL
{
	/// <summary>
	/// 用户
	/// </summary>
	public partial class UserManager
	{
		private readonly XueMeng.DAL.UserService dal=new XueMeng.DAL.UserService();
		public UserManager()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
			return dal.GetMaxId();
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int U_Id)
		{
			return dal.Exists(U_Id);
		}

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int  Add(XueMeng.Model.User model)
		{
			return dal.Add(model);
		}

		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(XueMeng.Model.User model)
		{
			return dal.Update(model);
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int U_Id)
		{
			
			return dal.Delete(U_Id);
		}
		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool DeleteList(string U_Idlist )
		{
			return dal.DeleteList(U_Idlist );
		}

		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public XueMeng.Model.User GetModel(int U_Id)
		{
			
			return dal.GetModel(U_Id);
		}

		/// <summary>
		/// 得到一个对象实体，从缓存中
		/// </summary>
		public XueMeng.Model.User GetModelByCache(int U_Id)
		{
			
			string CacheKey = "UserModel-" + U_Id;
			object objModel = Maticsoft.Common.DataCache.GetCache(CacheKey);
			if (objModel == null)
			{
				try
				{
					objModel = dal.GetModel(U_Id);
					if (objModel != null)
					{
						int ModelCache = Maticsoft.Common.ConfigHelper.GetConfigInt("ModelCache");
						Maticsoft.Common.DataCache.SetCache(CacheKey, objModel, DateTime.Now.AddMinutes(ModelCache), TimeSpan.Zero);
					}
				}
				catch{}
			}
			return (XueMeng.Model.User)objModel;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			return dal.GetList(strWhere);
		}
		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			return dal.GetList(Top,strWhere,filedOrder);
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public List<XueMeng.Model.User> GetModelList(string strWhere)
		{
			DataSet ds = dal.GetList(strWhere);
			return DataTableToList(ds.Tables[0]);
		}
		/// <summary>
		/// 获得数据列表
		/// </summary>
		public List<XueMeng.Model.User> DataTableToList(DataTable dt)
		{
			List<XueMeng.Model.User> modelList = new List<XueMeng.Model.User>();
			int rowsCount = dt.Rows.Count;
			if (rowsCount > 0)
			{
				XueMeng.Model.User model;
				for (int n = 0; n < rowsCount; n++)
				{
					model = new XueMeng.Model.User();
					if(dt.Rows[n]["U_Id"]!=null && dt.Rows[n]["U_Id"].ToString()!="")
					{
						model.U_Id=int.Parse(dt.Rows[n]["U_Id"].ToString());
					}
					if(dt.Rows[n]["U_Name"]!=null && dt.Rows[n]["U_Name"].ToString()!="")
					{
					model.U_Name=dt.Rows[n]["U_Name"].ToString();
					}
					if(dt.Rows[n]["U_Pwd"]!=null && dt.Rows[n]["U_Pwd"].ToString()!="")
					{
					model.U_Pwd=dt.Rows[n]["U_Pwd"].ToString();
					}
					if(dt.Rows[n]["E_Id"]!=null && dt.Rows[n]["E_Id"].ToString()!="")
					{
						model.E_Id=int.Parse(dt.Rows[n]["E_Id"].ToString());
					}
					if(dt.Rows[n]["Enable"]!=null && dt.Rows[n]["Enable"].ToString()!="")
					{
						model.Enable=int.Parse(dt.Rows[n]["Enable"].ToString());
					}
					modelList.Add(model);
				}
			}
			return modelList;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetAllList()
		{
			return GetList("");
		}

		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			return dal.GetRecordCount(strWhere);
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			return dal.GetListByPage( strWhere,  orderby,  startIndex,  endIndex);
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		//public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		//{
			//return dal.GetList(PageSize,PageIndex,strWhere);
		//}

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public XueMeng.Model.User GetModel(User obj)
        {
            List<User> list = GetModelList("U_Name = '"+obj.U_Name+"' And U_Pwd = '"+obj.U_Pwd+"' And Enable = "+obj.Enable+"");
            return list.Count > 0 ? list[0] : null;
        }

		#endregion  Method
	}
}

